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Sprint: PUK code Retrieval | SIM unlock

The default PIN Number for all Sprint Prepaid and Postpaid mobile SIM card is unique for each mobile SIM

Sprint is the major telecom network which offers high speed data connection to Puerto Rico & United States,Virgin Islands  customers  through  Prepaid and postpaid plans.

Sprint Mobile SIM card has an inbuilt PIN code and PUK code for security purpose. The SIM card will be blocked if you enter your PIN number wrongly for 3 times.
Then the Phone will request to enter PUK code to reset your PIN number.



You can find your Islandcom wireless PUK (Personal Unlocking Key) through following methods.
Expand the method to know more.

>Find PUK through Helpline (Highly Recommended)


  • Call 866-866-7509 (non-toll free number) from other network or Sprint mobile phone
  • Enter the option to speak with customer care
  • Request for a PUK code and note it down
  • Enter it in your locked Sprint mobile phone and reset your PIN number
  • Now your phone will be unlocked..

>Retrieve PUK Online


  • Go to official webpage of Sprint mobile and click My account
  • IF you have already registered , login with the username and password. See the PUK code information for your mobile SIM.
  • Note the PUK code and enter it in your locked mobile SIM card
  • Now , your mobile will ask to reset the PIN
  • Provide a new PIN and proceed to unlock your phone.
>Welcome mail /SMS option


If you have welcome mail that you got when buying the Sprint sim card, you can directly note the PUK code printed in the mail and enter it in your locked mobile phone.
Currently Sprint mobile do not provide option for obtaining PUK code through SMS.
So, Please try any one of the above methods to retrieve you PUK code.


    Maximum Limit for PUK code entering is 10 attempts. Then the SIM be be blocked and need to replace with anew SIM card . So better be careful while entering PUK code